CN212672695U - Self-sealing heater pipe plug - Google Patents
Self-sealing heater pipe plug Download PDFInfo
- Publication number
- CN212672695U CN212672695U CN202021301031.8U CN202021301031U CN212672695U CN 212672695 U CN212672695 U CN 212672695U CN 202021301031 U CN202021301031 U CN 202021301031U CN 212672695 U CN212672695 U CN 212672695U
- Authority
- CN
- China
- Prior art keywords
- pipe
- locking
- plug
- supporting
- pipe plug
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Pipe Accessories (AREA)
Abstract
The utility model relates to a self-sealing heater pipe plug, which comprises a supporting pipe, a pipe plug base arranged at one end of the supporting pipe, a pipe plug end arranged at the other end of the supporting pipe, compressible sealing filler arranged in the middle of the supporting pipe, and a locking device arranged on the supporting pipe at the side of the pipe plug end, wherein the sealing filler is adjacent to the pipe plug base and the pipe plug end; the locking device comprises a locking rod, a locking gasket and a locking bolt, one end of the locking rod is fixed in the supporting pipe, the other end of the locking rod extends outwards to form the supporting pipe, the locking gasket is located on the outwards extending end of the locking rod and is in contact fit with the end part of the pipe plug, an external thread is arranged on the locking rod, and the locking bolt is in screwed fit with the external thread. The device has the advantages of simple structure, convenient processing and use, good sealing effect and high reliability, can be applied to the treatment of the leakage of most surface heater heat exchange tube bundles, and can be used on a large scale.
Description
Technical Field
This patent application belongs to high low pressure heater equipment technical field of thermal power plant, and more specifically says, relates to a self sealss heater stopcock.
Background
In modern industrial production, various heaters belong to common heat exchange equipment, and a large number of high-pressure heaters, low-pressure heaters, heat supply network heaters and the like are applied in power production. After the heater is used for a long time, the leakage of the heat exchange tube bundle of the heater can occur due to the self stress, medium scouring, corrosion and the like, so that the medium with high pressure in the heat exchanger leaks to the medium with low pressure, the safety production is seriously influenced, and even personal danger can be caused. Referring to fig. 1, in the conventional pipe plugging method, pipe plugs with appropriate sizes are plugged at two ends of a leaked pipe bundle, and then the pipe plugs are sealed by using methods such as electric welding and the like, but because the conditions of a production field are complex, the working environment is severe, the sealing effect of the pipe plugs is often poor, secondary leakage is easily caused, and the workload and the working difficulty are increased.
SUMMERY OF THE UTILITY MODEL
The utility model discloses the technical problem that needs to solve provides a self sealss heater stopcock, unique structure can prevent effectively that the stopcock from guaranteeing the leakproofness of stopcock owing to the secondary that reasons such as welding caused leaks.
In order to solve the above problem, the utility model discloses the technical scheme who adopts is:
a self-sealing heater pipe plug comprises a supporting pipe, a pipe plug base arranged at one end of the supporting pipe, a pipe plug end arranged at the other end of the supporting pipe, compressible sealing filler arranged in the middle of the supporting pipe, and a locking device arranged on the supporting pipe at the side of the pipe plug end, wherein the sealing filler is abutted to the pipe plug base and the pipe plug end; the locking device comprises a locking rod, a locking gasket and a locking bolt, one end of the locking rod is fixed in the supporting pipe, the other end of the locking rod extends outwards to form the supporting pipe, the locking gasket is located on the outwards extending end of the locking rod and is in contact fit with the end part of the pipe plug, an external thread is arranged on the locking rod, and the locking bolt is in screwed fit with the external thread.
The utility model discloses technical scheme's further improvement lies in: and the supporting tube positioned outside the tube plug base is also provided with a reinforcing base, and the reinforcing base is fixedly connected with the supporting tube.
The utility model discloses technical scheme's further improvement lies in: the reinforcing base is a bolt and is in threaded connection with the supporting tube.
The utility model discloses technical scheme's further improvement lies in: the sealing filler is a graphite packing.
The utility model discloses technical scheme's further improvement lies in: the filling length of the graphite packing is more than 1/3 times of the length of the supporting pipe.
Since the technical scheme is used, the utility model discloses the beneficial effect who gains is:
the utility model discloses make two parts around the stopcock, the centre is filled high-pressure gland packing and is sealed, reaches the effect of self sealss through the compression to high-pressure gland packing, then can carry out secondary seal to the pipe orifice department again and handle. The two seals ensure a tight sealing effect. The high-pressure sealing filler is a graphite packing, and the sealing performance is excellent.
The utility model discloses simple structure, processing, convenient to use can be applied to the processing that most surface heater heat exchanger tube bundles leaked, have sealed effectual, the high characteristics of reliability, can use widely on a large scale.
Drawings
FIG. 1 is a schematic view of a conventional pipe plug;
fig. 2 is a schematic structural diagram of the present invention;
fig. 3 is a schematic view of the application of the present invention;
wherein: 1. the pipe plug comprises a pipe plug base 2, a sealing filler 3, a pipe plug end 4, a locking device 41, a locking rod 42, a locking gasket 43, a locking bolt 5, a supporting pipe 6, a reinforcing base 7, a heat exchange pipe 8, a conventional pipe plug 9 and a sealing welding point.
Detailed Description
The present invention will be described in further detail with reference to examples.
The utility model discloses a self-sealing heater pipe plug, which is shown in a figure 2 and a figure 3 and comprises a supporting pipe 5, a pipe plug base 1 arranged at one end of the supporting pipe 5, a pipe plug end part 3 arranged at the other end of the supporting pipe 5, a compressible sealing filler 2 arranged in the middle of the supporting pipe 5 and a locking device 4 arranged on the supporting pipe 5 at the side of the pipe plug end part 3, wherein the sealing filler 2 is adjacent to the pipe plug end part 3 of the pipe plug base 1; locking device 4 includes check lock lever 41, lock washer 42, locking bolt 43, and check lock lever 41 one end is fixed in stay tube 5, and the other end outwards extends stay tube 5, and lock washer 42 is located check lock lever 41's the outside extension and serves and contact the cooperation with stopcock tip 3, is equipped with the external screw thread on the check lock lever 41, and locking bolt 43 revolves soon with the external screw thread and cooperates.
Still be equipped with on the stay tube 5 that is located the stopcock base 1 outside and strengthen base 6, strengthen base 6 and 5 fastening connection of stay tube, be convenient for fasten the enhancement to stopcock base 1, avoid the not hard up sealed effect of influence of stopcock base. For convenience of manufacture and use, the reinforcing base 6 is a bolt, and the reinforcing base 6 is in threaded connection with the supporting tube 5.
The sealing packing 2 is a graphite packing, and the graphite packing is mainly formed by finely weaving various reinforced fibers, metal wires (steel wires, copper wires, nickel wires, carbon fibers, pre-oxidized wires, glass yarns) and other reinforced graphite wires as raw materials. The dynamic seal is suitable for dynamic seal under high temperature and high pressure conditions. Besides a few strong oxidizers, the sealing agent can be used for sealing media such as hot water, superheated steam, heat transfer fluid, ammonia solution, hydrocarbon, low-temperature liquid and the like, and is mainly used for sealing valves, pumps and reaction kettles under high-temperature, high-pressure and corrosion-resistant media. It is also a unique universal sealing packing. In the present embodiment, a graphite packing ring is selected, and the packing length of the graphite packing ring is 1/3 or more, preferably 1/2 or more, of the length of the support tube 5.
The utility model discloses during the use, can adjust stopcock tip 3 earlier after filling in heat exchange tube 7 with this device is whole, then lock the operation through locking device 4, during the locking operation, thereby revolve wrong locking bolt 43 and drive locking washer 42, stopcock tip 3 and remove to graphite packing direction, because stopcock base 1, 6 rigidity of enhancement base to realize compression, the compaction of graphite packing.
After the graphite packing is compacted, the sealing treatment of the pipe plug end part 3 is carried out through sealing welding, and after the sealing welding spot 9 of the sealing welding is treated, the secondary sealing can be realized.
It should be noted that: the sizes of the pipe plug base 1, the pipe plug end part 3 and the graphite packing can be determined by the inner diameter of the heat exchange pipe 7, so that flexible use is realized.
Claims (5)
1. A self-sealing heater plug, comprising: the pipe plug comprises a supporting pipe (5), a pipe plug base (1) arranged at one end of the supporting pipe (5), a pipe plug end part (3) arranged at the other end of the supporting pipe (5), a compressible sealing filler (2) arranged in the middle of the supporting pipe (5), and a locking device (4) arranged on the supporting pipe (5) at the pipe plug end part (3) side, wherein the sealing filler (2) is abutted to the pipe plug base (1) and the pipe plug end part (3); locking device (4) are including check lock lever (41), locking washer (42), locking bolt (43), check lock lever (41) one end is fixed in stay tube (5), the other end outwards extends stay tube (5), locking washer (42) are located the outside extension of check lock lever (41) and serve and with stopcock tip (3) contact cooperation, are equipped with the external screw thread on check lock lever (41), locking bolt (43) and external screw thread revolve to twist the cooperation.
2. A self sealing heater plug as claimed in claim 1, wherein: the supporting tube (5) positioned outside the tube plug base (1) is also provided with a reinforcing base (6), and the reinforcing base (6) is fixedly connected with the supporting tube (5).
3. A self sealing heater plug as claimed in claim 2, wherein: the reinforcing base (6) is a bolt, and the reinforcing base (6) is in threaded connection with the supporting tube (5).
4. A self sealing heater plug as claimed in claim 3, wherein: the sealing packing (2) is a graphite packing.
5. A self sealing heater plug as claimed in claim 4, wherein: the filling length of the graphite packing is more than 1/3 of the length of the support tube (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021301031.8U CN212672695U (en) | 2020-07-06 | 2020-07-06 | Self-sealing heater pipe plug |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021301031.8U CN212672695U (en) | 2020-07-06 | 2020-07-06 | Self-sealing heater pipe plug |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212672695U true CN212672695U (en) | 2021-03-09 |
Family
ID=74838357
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021301031.8U Active CN212672695U (en) | 2020-07-06 | 2020-07-06 | Self-sealing heater pipe plug |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212672695U (en) |
-
2020
- 2020-07-06 CN CN202021301031.8U patent/CN212672695U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102445478B (en) | Working electrode for realizing electrochemical test of high-temperature high-pressure water system | |
| CN102691839A (en) | Double clamping groove lining hoop | |
| CN212672695U (en) | Self-sealing heater pipe plug | |
| CN101608723B (en) | Non-maintaining sleeve compensator with double sealing structures | |
| CN211875364U (en) | Water pipe connecting flange with good sealing performance for village and town water supply engineering | |
| CN219976361U (en) | Ascending pipe heat exchange system taking liquid metal as working medium | |
| CN105180128A (en) | Raw coke oven gas sensible heat recycling device and recycling method | |
| CN210243384U (en) | High-parameter boiler pipe fitting hydrostatic test fastener | |
| CN205026631U (en) | Coke oven crude gas sensible heat recovery utilizes device | |
| CN207213473U (en) | The inner pressed sleeve expansion joint of compound external insurance sleeve pipe | |
| CN202612933U (en) | Double card slot lining hoop | |
| CN205991922U (en) | Wound tube heat exchanger pressure test device for heat exchange tubes | |
| CN212619379U (en) | Electric heater for sealing sulfur-containing gas | |
| CN205332862U (en) | Economizer of liquid ethylene gasification heat utilization | |
| CN211373323U (en) | Heat exchange tube convenient to maintain | |
| CN210564385U (en) | Detachable inner heat-insulating oil pipe in oil pipe | |
| CN203431415U (en) | Plugging structure for circulating ammonia water pipeline without stopping production | |
| CN217328516U (en) | Integrally forged water pressure test block valve | |
| CN201331281Y (en) | Single double-pipe heat exchanger with packing type ends | |
| CN212779811U (en) | Non-pressure-tight heat exchange tube pressure testing device | |
| CN207342488U (en) | Organosilicon chloromethanes synthesizing section caustic wash tower spent lye reuse means | |
| CN206582538U (en) | A kind of protection device of LNG vacuum pipe expansion joint | |
| CN206159682U (en) | High pressure flexible hose | |
| CN204630440U (en) | A kind of bolt sealing gravity type heat pipe | |
| CN218719410U (en) | High-temperature-resistant polyethylene heat-insulating pipe |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |